Home / 38,438,179.96-53,044,691.94-21,034,524.28

Finding the Fourth Proportional to 38,438,179.96, 53,044,691.94 and 21,034,524.28

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Solution

The fourth proportional to 38,438,179.96, 53,044,691.94 and 21,034,524.28 is: 29,027,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,438,179.96 : 53,044,691.94 = 21,034,524.28 : x
  2. Step 2: Convert to fraction form
    38,438,179.96/53,044,691.94 = 21,034,524.28/x
  3. Step 3: Cross multiply
    38,438,179.96x = 53,044,691.94 × 21,034,524.28
  4. Step 4: Simplify right side
    38,438,179.96x = 1,115,769,860,537,050.38
  5. Step 5: Solve for x
    x = 1,115,769,860,537,050.38/38,438,179.96
  6. Step 6: Final answer
    x = 29,027,645.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.